The Analysis of Production Potential and Energy of Refuse-Derived Fuel (RDF) Based on Household Waste Generation as Co-Firing Material for Coal Boilers: Studi Kasus: TPS 3R Rejo Lestari, Desa Tegalrejo Imam Ridwan Tanaka, Fisal Yuliansyah, Maharani Rindu Widara, Ishak Amar Dinamika : Jurnal Ilmiah Teknik Mesin Vol. 17 No. 2 2026 DOI 10.55679/djitm.v17i2.43